摘要 We propose a simple model for 遺傳 適應 to a changing

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論文資訊

• 類型：已發表論文
• 日期：2013

摘要

We propose a simple model for 遺傳 適應 to a changing environment, describing a 適應度景觀 characterized by two maxima. One is associated with "specialist'' individuals that are adapted to the environment; this maximum moves over time as the environment changes. The other maximum is static, and represents "generalist'' individuals not affected by environmental changes. The rest of the landscape is occupied by "maladapted'' individuals. Our analysis considers the 演化 of these three sub族群s. Our main result is that, in presence of a sufficiently stable environmental feature, as in the case of an unchanging aspect of a physical habitat, specialists can dominate the 族群. By contrast, rapidly changing environmental features, such as 語言 or 文化 habits, are a moving target for the genes; here, generalists domi

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